BLT is the famous Australian corrugated profile, equally at home with traditional and contemporary design. It offers a beautiful espression of the archetect's design.It is most favored roof and wall steel cladding for architects. Advantages: 1,famous corrugated profile is ideal for cintemparary designs; 2,long and wide; 3,can be spring-curved for arched roof and the minimum radius is 12m; 4,can be fixed quickly and easily; 5,economical steel roof and wall cladding; 6,self-drilling installation, fasteners at the crest of the ribs for roofing;and at the valley of the ribs for walling Raw materials: Galvanized steel , Galvalume steel, Galvalume pre-panited sheet and alunmium sheet.